Linux & Network Administrator

9D Technologies is at the forefront of mobile apps and games publishing, delivering innovative and engaging experiences to users worldwide. Our mission is to create extraordinary digital experiences that captivate and entertain, and we are committed to pushing the boundaries of creativity and technology utilizing AI.

We are hiring a Linux and Network Administrator to maintain production servers, configure new hosts, and resolve live issues.

• →Maintain and configure Linux servers and network services with Ansible and Docker.
• →Operate WireGuard, RADIUS (FreeRADIUS), LDAP, KanIDM, and Active Directory–style directory services: accounts, groups, authentication, and replication.
• →Configure DNS, TLS certificates, and host firewalls (iptables or nftables).
• →Troubleshoot authentication, connectivity, and service failures from logs, metrics, and host state.
• →Respond to alerts and review logs and events (Prometheus, Grafana, journald, syslog).
• →Patch servers from vulnerability assessments and confirm findings are closed.
• →Run proofs of concept for new configuration and write a short note on the result.

• A bachelor’s degree in Computer Science or a closely related field.
• 2–4 years in Linux system administration and network operations.
• Hands-on work with at least two of: WireGuard, RADIUS, LDAP, KanIDM, Active Directory, Ansible, or Docker.